I happened to eat a pair of lines of coke. They tasted a whole lot like caffeine. I don’t have much experience with coke, but I think I can tell that it did contain real cocaine by how it anesthetized my tongue. But I know caffeine really well, and that...

I have an MD in the family who says that almost any “Caine” can cause serious problems with blood oxygenation and that they were taught in med school of a few instances of deaths due to OTC numbing agents like Orajel. Is this true? Both...